Finding the Fourth Proportional to 1,490,296.72, 2,235,604.26 and 637,456.60
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Solution
The fourth proportional to 1,490,296.72, 2,235,604.26 and 637,456.60 is: 956,252.99
Step by Step Solution
- Step 1: Write the proportion equation
1,490,296.72 : 2,235,604.26 = 637,456.60 : x - Step 2: Convert to fraction form
1,490,296.72/2,235,604.26 = 637,456.60/x - Step 3: Cross multiply
1,490,296.72x = 2,235,604.26 × 637,456.60 - Step 4: Simplify right side
1,490,296.72x = 1,425,100,690,525.12 - Step 5: Solve for x
x = 1,425,100,690,525.12/1,490,296.72 - Step 6: Final answer
x = 956,252.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.